Q
Which keyword is used to prevent a class from being inherited in PHP?

Answer & Solution

Answer: Option A
Solution:
The final keyword in PHP is used to prevent a class from being inherited. When a class is marked as final, it cannot be subclassed or extended.
Related Questions on Average

Which concept allows a method in a subclass to have the same name as a method in its superclass?

A). Encapsulation

B). Inheritance

C). Polymorphism

D). Abstraction

What does inheritance provide in OOP?

A). Code reusability

B). Data security

C). Object creation

D). Method overloading

What is a class in PHP?

A). An instance of an object

B). A blueprint for creating objects

C). A method to access properties

D). A function to store variables

What is the purpose of the interface keyword in PHP?

A). To define a class that cannot be instantiated

B). To define a contract for classes to implement

C). To define a blueprint for objects

D). To prevent a class from being inherited

Which magic method is called when an undefined property is accessed in PHP?

A). __get()

B). __set()

C). __call()

D). __isset()

Which OOP concept allows a class to implement methods with the same name but different parameters?

A). Overloading

B). Overriding

C). Inheritance

D). Polymorphism

Which keyword is used for inheritance in PHP?

A). inherit

B). extends

C). inherit_from

D). inherits

What is the purpose of the __construct() method in PHP?

A). To define class properties

B). To create objects

C). To initialize object properties

D). To access superclass methods

What is the visibility of properties or methods declared as private in PHP?

A). Public

B). Protected

C). Private

D). Accessible only within the class

What is the purpose of the static keyword in PHP?

A). To access properties or methods without instantiating the class

B). To prevent a class from being instantiated

C). To define constants

D). To access superclass methods